The Greek phalanx had a formation of 9 people in depth. It mainly consisted of heavy hoplites, who were armed with a wide round shield – a hoplon, as well as a spear of 2.5 m. At the same time, Philip II of Macedon improved the phalanx formation. Now the depth of the formation could reach 16 people. In addition, the armament of the phalangits has changed. Now they were armed with a small round shield, but with a long 6 meter spear – a sarissa.
One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.